Toothbrush



FIG. 1 is a top plan view of a toothbrush showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is an enlarged end elevational view from the handle end;

FIG. 5 is an enlarged end elevational view from the head end; and,

FIG. 6 is an enlarged perspective view thereof. 

The ornamental design for a toothbrush, as shown and described. 